PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/19-22:12:50
G10     272.1          42.3               12.0 +/-    0.98      16.8 +/-    0.98  0.050 / 0.050
G13     39.8           14.0                7.2 +/-    1.35      18.4 +/-    1.35  0.050 / 0.050
G15     55.3           45.9                9.3 +/-    0.86      12.4 +/-    0.86  0.180 / 0.720
G16     275.2          11.1               10.9 +/-    4.16      29.8 +/-    4.16  0.150 / 0.620
G20     306.7          62.0               10.6 +/-    1.34      11.9 +/-    1.34  0.130 / 0.200
G21     11.6           73.7               11.1 +/-    0.64      11.5 +/-    0.64  0.110 / 0.210
G24     118.2          16.5               11.5 +/-    1.17      27.5 +/-    1.17  0.100 / 0.350
G27     317.0          21.6                8.3 +/-    2.95      17.6 +/-    2.95  0.110 / 0.310
G29     167.5          27.1               12.8 +/-    0.99      23.8 +/-    0.99  0.090 / 0.230
G32     204.7          12.5               14.0 +/-    2.14      37.1 +/-    2.14  0.120 / 0.240